*{
	padding: 0;
	margin: 0;
	border: 0;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
}

html , body{
	display: block;
	position: relative;
	width: 100%;
	height: 100%;
	overflow: hidden;
}

body{
	background: url(../img/img_bg.jpg) no-repeat center center;
	background-size: cover;
}
.nav{ 
	width:100%; 
	height:3.125rem;
	line-height:3.125rem; 
	font-size:1.125rem;
	background-color: #FFFFFF;
}

.nav .img-close img{
	width: 44px;
	height: 44px;
	float: left;
	margin-top:0.25rem;
	margin-left:0.125rem;	
}

.nav .intro{ 
	width: 80%;
	height:3.125rem;
	line-height:3.125rem; 
	float: left;
	font-size:1.125rem;
	text-align: center;
}

.nav .img-share img{
	width: 44px;
	height: 44px;
	float: right;
	margin-right: 10px;
	margin-top:-2.9375rem;

}

.imme_start {
	width: 100%;
	text-align: center;
	position:relative;
}

.imme_start img{
	
	width:375px;
}

.imme_start_text{
	width:9.25rem;
	height:6.25rem;
	font-size: 20px;
	color: #FFFFFF; 
	margin-left:auto;
	margin-right:auto; 
	text-align: center;
	position: relative;
	margin-top: -150px;
}

.imme_moon img {
	width: 100%;
	position: fixed;
	bottom: 0px;
	clear:both;
}

.imme_moon_hdgz img{
	width: 90px;
	height: 43px;
	position: absolute;
	right: 0px;
	bottom: 30px;
}